Cheap And Discounts Industrial Ethernet Switch Module 5/6/8 Ports Unmanaged10/100/1000mbps OEM Auto-sensing Ports PCBA board OEM Motherboard Wholesale. Buy Directly From Merchant ANDDEAR HW Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.